<template>
  <div class="wrapper" ref="wrapper">
    <div class="content">
      <slot></slot>
    </div>
  </div>
</template>

<script>
import BScroll from "better-scroll";

export default {
  name: "Scroll",
  props: {
    probeType: {
      type: Number,
      default: 0,
    },
    pullUpLoad: {
      type: Boolean,
      default: false,
    },
    data() {
      return {
        scroll: null,
      };
    },
    mounted() {
      this.scroll = new BScroll(this.$refs.wrapper, {
        click: true,
        probeType: this.probeType,
        pullUpLoad: this.pullUpLoad,
      });

      if (this.probeType === 2 || this.probeType === 3) {
        this.scroll.on("scroll", (position) => {
          this.$emit("scroll", position);
        });
      }

      if (this.pullUpLoad) {
        this.scroll.on("pullingUp", () => {
          this.$emit("pullingUp");
        });
      }
    },
    methods: {
      scrollTo(x, y, time = 300) {
        this.scroll && this.scroll.scrollTo(x, y, time);
      },
      finishPullUp() {
        this.scroll && this.scroll.finishPullUp();
      },
      refresh() {
        this.scroll && this.scroll.refresh();
      },
      getScrollY() {
        return this.scroll ? this.scroll.y : 0;
      },
    },
  },
};
</script>

<style>
</style>